Site icon The Resource Center For Cold Case Missing Children’s Cases

Pem Michelle Yates-Briggs

Left and Right: Pem circa, 1977-1978


Vital Statistics at Time of Disappearance

Missing Since: June 1, 1979

Missing From: Oregon City, Clackamas County, Oregon

Classification: Endangered Missing

Date Of Birth: March 31, 1963

Age: 16 years old

Height and Weight: 5’3″ – 5’6″ and 110-125 pounds

Distinguishing Characteristics: White Female, Blonde hair, Brown eyes, Pem has a crooked front tooth as well as a cleft in her chin, she might be using the last name “Wehrli”


Details of Disappearance

Pem was last seen by her family in Oregon City, Oregon in 1979. She left her home on an unknown date to travel to California in order to search for her father.

On June 1st 1979, Pem’s mother received a phone call from a Police Department in California. The police asked her if Pem had parental permission to be in that state which her mother said yes to. This is the last clear indication of her whereabouts. Pem has never been seen or heard from again.

She was not officially reported as missing until March 15th 2024, over forty years after she was last seen. Her case remains unsolved and the circumstances of her disappearance are unclear.


Investigating Agency

If you have any information concerning this case, please contact:

Clackamas County Sheriff’s Office 503-785-5000


Source Information

California Department of Justice

The Charley Project

NamUs


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